package org.mylitespring.core.io;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;

import org.mylitespring.util.ClassUtils;

public class ClassPathResource implements Resource {
	
	private String path;
	private ClassLoader classLoader;
	
	public ClassPathResource(String path) {
		this(path, null);
	}
	
	public ClassPathResource(String path,ClassLoader classLoader) {
		this.path=path;
		this.classLoader=(classLoader!=null?classLoader:ClassUtils.getDefaultClassLoader());
	}

	public InputStream getInputStream() throws IOException {
		InputStream is=this.classLoader.getResourceAsStream(this.path);
		if (is==null) {
			throw new FileNotFoundException(path+" cannot be opened");
		}
		return is;
	}

	public String getDescription() {
		return this.path;
	}

}
